package cn.linjianhui.thread.sync;

public class AccountingSync2 implements Runnable {
    static AccountingSync2 instance = new AccountingSync2();
    static int i = 0;

    public synchronized void increase() {
        i++;
    }

    @Override
    public void run() {
        for(int j = 0; j < 100000; j++) {
            increase();
        }
    }

    public static void main(String[] args) throws InterruptedException {
        Thread t1 = new Thread(instance);
        Thread t2 = new Thread(instance);
        t1.start(); t2.start();
        t1.join(); t2.join();
        System.out.println(i);
    }
}
